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9. Carry Out the Following Osmosis Experiment Exercise Chapter 5 the Fundamental Unit of Life Science Class 9 NCERT

9. Carry out the following osmosis experiment: Chapter 5: the Fundamental Unit of Life Science Class 9 solutions are avalable at ourwebsite to help the students. 9. Carry out the following osmosis experiment: is solved by our expert teachers. You can get ncert solutions and notes for class 9 chapter 5 absolutely free. NCERT Solutions for class 9 Science Chapter 5: the Fundamental Unit of Life will definitely help in improving your marks in CBSE Board examinations.

9. Carry out the following osmosis experiment:
Take four peeled potato halves and scoops each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
(a) Keep cup A empty
(b) Put one teaspoon sugar in cup B
(c) Put one teaspoon salt in cup C
(d) Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then observe the four potato cups and answer the following:
(i) Explain why water gathers in the hollowed portion of B and C.
(ii) Why is potato A necessary for this experiment?
(iii) Explain why water does not gather in the hollowed out
Portions of A and D.
Answer:

(i) Water gathered in the hollowed portions of Potato in B and C by the process of osmosis.
(ii) Potato A is necessary in this experiment because it act as a contro experiment.
(iii) Water does not gather in the Hollowed portion of potato A as it was empty. Water also does not gather in the cup D because there potato used was boiled which makes it inactive as after boiling its protein structure ware damaged.

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